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春季施肥
释义
春季施肥
Encyclopedia
农学
春季施肥
释
spring fertilization
春季施肥
春季根据作物需肥特性开展的施肥活动。即春玉米、春小麦等各种春播作物,进行春季育苗、移栽的果树和播种的蔬菜,冬小麦、冬油菜等越冬作物,以及越冬后的果树和大棚蔬菜等,春季需根据土壤养分供应情况和作物养分需求规律,结合整地施用基肥或种肥,或进行追肥。
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projective infinitesimal structure
projective invariance
projective invariant
projective isomorphism
projective-iterative
projective k-set
projective k variety
projective lattice
projective length
projective limit
projective limit group
projective limits
projective limit space
projective line
projective linear group
projective line element
projective line geometry
projectively affine
projectively connected manifold
projectively connected space
projectively deformable surface
projectively extended real numbers
projectively flat metric
projectively flat space
projectively flat structure
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